CHEVROLET Engines & Components

Pro LS 4340 Rotating Assembly, 370 Cid., 4.040 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L04012

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Estimated Ship Date: Tomorrow if ordered today

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Pro LS 4340 Rotating Assembly, 377 Cid., 4.070 bore, 3.622 stroke, 24X, 6.125 rod,12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R2436L07012

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Estimated Ship Date: Sep 2, 2025 if ordered today

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Pro LS Rotating Assembly, 332 Cid., 3.820 bore, Standard 3.622 stroke, 24X, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R2436L8202

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Estimated Ship Date: Sep 18, 2025 if ordered today

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Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244000520

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Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244004020

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.080 bore, 4.000 stroke, 24X, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244008021

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Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244078012

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Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 bore, 4.000 stroke, 24X, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R244078512

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Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584000520

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Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 58x, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584004020

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Pro LS 4340 Rotating Assembly, 417 Cid., 4.080 bore, 4.000 stroke, 58x, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R584008021

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Pro LS 4340 Rotating Assembly, 359 Cid., 3.780 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R584078012

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Pro LS 4340 Rotating Assembly, 360 Cid., 3.785 bore, 4.000 stroke, 58x, 6.125 rod, 12cc dish, 10:1 @ 61cc, 9.6:1 @ 65cc, File-Fit Rings, H Bearings

Part Number: SUM-R584078512

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Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Wet Sump Post, Standard Snout, Chevy, Gen V, Each

Part Number: CPI-5TH-31V-AS

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Dry Sump Post, Standard Snout, Chevy, Gen V, Each

Part Number: CPI-5UH-31V-AS

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, No AC, Power Steering-No Reservoir, Raw Machined

Part Number: EMS-MS107-15RM

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Pulley Kit, 8 rib serpentine, Chevy Big Block, Aluminum, No AC, Power Steering-No Reservoir, Matte black

Part Number: EMS-MS107-15RMB

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Pulley Kit, 8 rib serpentine, Chevy LS , Aluminum, AC, No Power Steering, 140A, Gloss black Fusioncoat finish

Part Number: EMS-MS107-17BK

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Pulley Kit, 8 rib serpentine, Chevy LS , Aluminum, AC, Power Steering-Plastic Reservoir, 140A, Black anodized

Part Number: EMS-MS107-16BA

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Pulley Kit, 8 rib serpentine, Chevy LS , Aluminum, AC, No Power Steering, 140A, Bright protective clear coat

Part Number: EMS-MS107-17CL

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Pulley Kit, 8 rib serpentine, Chevy LS , Aluminum, AC, Power Steering-Aluminum Reservoir, 140A, Gloss black

Part Number: EMS-MS107-16BBK

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Pulley Kit, 8 rib serpentine, Chevy LS , Aluminum, AC, No Power Steering, 140A alt, Matte black finish

Part Number: EMS-MS107-17MB

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Pulley Kit, 8 rib serpentine, Chevy LS , Aluminum, AC, Power steering-Aluminum Reservoir, 140A, Clear coated

Part Number: EMS-MS107-16BCL

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Pulley Kit, 8 rib serpentine, Chevy LS, Aluminum, AC, Power Steering, Plastic Reservoir, 170 Amp, Gloss Black, Kit

Part Number: EMS-MS107-16BK

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Estimated Ship Date: Aug 25, 2025 if ordered today

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Pulley Kit, 8 rib serpentine, Chevy LS , Aluminum, AC, Power Steering-Aluminum Reservoir, 140A, Machined finish

Part Number: EMS-MS107-16BM

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Estimated Ship Date: Aug 25, 2025 if ordered today

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